Key matrix for a handset



FIG. 1 is a bottom plan view of a key matrix for a handset showing ournew design;

FIG. 2 is a right side view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top, front and left side perspective view thereof; and,

FIG. 6 is a front, bottom and right side perspective view thereof.

The dotted lines showing the outline of a telephone handset is forillustration purposes only and forms no part of the claimed invention.

The ornamental design for a “key matrix for a handset”, as shown anddescribed.